We are interested in generating forecasts of sales data based on the three calculations below. Your task is to write a program called forecast that will take as its arguments the name of a data file and the name of a product. From these arguments, the program will extract the data needed to perform calculations for the specified product. You must use the generic ADT List defined above. For the data file, use the comma-delimited file.
The output of the program, if the product is listed in the data file, should be exactly as below (truncate
values to integers for the output, but not during the calculations, as this would decrease the accuracy of
the results):
Product: Wheel
Simple average: 2491
Slope: 2019
Linear regression: 2148
If the product is not found in the file, the output should be exactly as below:
Product productName not found in fileName
Answers
Explanation:
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Answer:
We are interested in generating forecasts of sales data based on the three calculations below. Your task is to write a program called forecast that will take as its arguments the name of a data file and the name of a product. From these arguments, the program will extract the data needed to perform calculations for the specified product. You must use the generic ADT List defined above. For the data file, use the comma-delimited file.
The output of the program, if the product is listed in the data file, should be exactly as below (truncate
values to integers for the output, but not during the calculations, as this would decrease the accuracy of
the results):
Product: Wheel
Simple average: 2491
Slope: 2019
Linear regression: 2148
If the product is not found in the file, the output should be exactly as below:
Product productName not found in fileName